Legio IV Pannonica

Legio IV Pannonica was a Roman legion which was raised in 270 AD in Sirmium, Pannonia by Pacuvius Atronius. The legion was created with the goal of protecting the Roman Empire's Danube frontiers while Emperor Aurelian campaigned in Italy, and the legion saw extensive service in the wars against the Roxolani, Buri, Quadi, and other Germanic tribes.